Tianna Madison, the Olympic sprinter who was part of the U.S. Women's gold medal-grabbing 4x100 team, is being sued by her parents, Robert and Jo Ann Madison, for libel, slander, and defamation. Why the litigious homecoming, you might ask? The lawsuit, filed in Cuyahoga County Common Pleas Court in Cleveland, alleges… »9/09/12 4:30pm 9/09/12 4:30pm